نتایج جستجو برای: di diesel engine

تعداد نتایج: 336180  

ژورنال: تحقیقات موتور 2019
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The aim of this study is to evaluate a heavy duty diesel engine operation under reactivity controlled compression ignition combustion fueled with diesel oil and natural gas enriched with hydrogen and nitrogen addition. In this study, a single cylinder heavy– duty diesel engine is set to operate at 9.4bar gross IMEP (Mid- Load). The amount of injected diesel oil per cycle into the engine combust...

M. V. S. Murali Krishna P. V. K. Murthy T. K. K. Reddy V. V. R. Seshagiri Rao

Experiments were conducted to evaluate the performance of a low heat rejection (LHR) diesel engine. Performance parameters and emission levels were determined at various magnitudes of brake mean effective pressure. Combustion characteristics of the engine were measured with TDC (top dead centre) encoder, pressure transducer, console and special pressure-crank angle software package at peak load...

2006
Magnus Pettersson

A vehicular driveline is the system used to transfer engine torque to the wheels. Resonances in the elastic parts of the driveline are important to handle when control of the engine and the transmission is optimized. Gear shifting by engine control is a new approach for automatic gear shifting with disengaging the clutch replaced by engine control. Resonances are excited in an uncontrolled driv...

2012
T.Venkata Subba Rao

Biomass derived fuels are preferred as alternative Fuels for IC engine due to its abundant availability and renewable nature. In the present work, the performance and emissions of diesel and diesel additive blended with palm kernel oil is studied, where the fuel, namely, methyl ester of palm kernel oil and diesel with additive were chosen and used as fuel in the form of blends. Various proporti...

2012
S. Ghosh D. Dutta

The use of biodiesel, the methyl esters of vegetable oils are becoming popular due to their low environmental impact and potential as a green alternative fuel for diesel engine. The aim of this study is to potential use of Pongamia oil methyl ester as a substitute for diesel fuel in diesel engine. Various proportions of Pongamia and Diesel (B25, B50, B75, and B100) are prepared by transesterifi...

2010
Cenk Sayin Ahmet Necati Ozsezen Mustafa Canakci

In this study, the effects of injection pressure and timing on the performance and emission characteristics of a DI diesel engine using methanol (5%, 10% and 15%) blended-diesel fuel were investigated. The tests were conducted on three different injection pressures (180, 200 and 220 bar) and timings (15 , 20 , and 25 CA BTDC) at 20 Nm engine load and 2200 rpm. The results indicated that brake s...

Journal: :Environmental science & technology 2006
J O Müller D S Su R E Jentoft U Wild R Schlögl

Soot particulate collected from a Euro III heavy duty diesel engine run under black smoke conditions was investigated using thermogravimetry, transmission electron microscopy, electron energy loss spectroscopy, and X-ray photoelectron spectroscopy. The characterization results are compared with those of commercial carbon black. The onset temperature toward oxidation of the diesel engine soot in...

Journal: :ماشین های کشاورزی 0
سید حبیب الله هاشمی فرد دهکردی مرتضی الماسی علی محمد برقعی بابک بهشتی

the use of bio-ethanol as an alternative diesel engine fuel is rapidly increasing. bio-ethanol is mixed with diesel fuel at different ratios and used in ci and si engines. since vibrations have direct effects on users and engine components, for this reason analysis of vibration resulting from combustion in ci engines is very important. in this study, evaluation of vibration was performed for bo...

2009
G. Najafi T. F Yusaf

A comprehensive study on the methanol as an alternative fuel has been carried out. A four stroke four cylinder diesel engine was adopted to study engine power, torque, break specific fuel consumption, break thermal efficiency and exhaust temperature with the fuel of fraction methanol in diesel. In this study, the diesel engine was tested using methanol blended with diesel at certain mixing rati...

2012
Durga Prasad A.Kumaraswamy B. Durga Prasad

The paper investigates the result on the existing diesel engine that can suitably modified to operate on the diesel fuel mode to conserve diesel and also reduce environmental pollution. The conventional fuels, petrol’s and diesel for internal combustion engines are exhausted at an alarming rate, due to increase of vehicle population and also these fuel causes environmental problems. Make these ...

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